High quanlity, soft, comfortable, noise reduce.
Potentially increase wearing comfort, enhance sound quality and isolate outside noise.
Available Color: White, Clear, Black.
Available Size: S, M, L.
Please make sure your earphone size before buying.
Some details as follows:

Size    Total Size (Inches)            Cover Hole Dia(Inches)   Fit Earphone Hole Dia(Inches)
S       1.1 x 1.5cm/0.43 x 0.6inches   4mm/0.16inches           4-4.5mm/0.16-0.18inches
M       1.2 x 1.2cm/0.47 x 0.47inches  4mm/0.16inches           4-4.5mm/0.16-0.18inches
L       1.5 x 1.5cm/0.6 x 0.6inches    4mm/0.16inches           4-4.5mm/0.16-0.18inches